How much is too much?: A retrospective causal analysis of the 7-day fluid balance for septic critical care patients
2024

How much is too much?: A study on fluid balance in septic patients

Sample size: 3520 publication 10 minutes Evidence: moderate

Author Information

Author(s): Yang Zheng, Shi Zhanli, Song Wenwen

Primary Institution: Hangzhou Red Cross Hospital, Hangzhou, China

Hypothesis

Overly aggressive fluid strategy in patients with sepsis can lead to adverse outcomes.

Conclusion

A 7-day fluid balance greater than 5240 mL is associated with poor outcomes in septic patients.

Supporting Evidence

  • The median 7-day fluid balance was 5321.4 mL.
  • The observed 28-day mortality in the cohort was 21.6%.
  • A fluid balance of <5243.3 mL was considered protective, while >5243.3 mL was a risk factor for mortality.

Takeaway

This study found that giving too much fluid to patients with sepsis can be harmful, and it's better to keep the fluid amount below 5240 mL over a week.

Methodology

A retrospective cohort study using data from the MIMIC-IV database, analyzing the 7-day fluid balance of septic patients and its correlation with mortality.

Potential Biases

Potential biases related to retrospective data collection and lack of control over fluid types and timing.

Limitations

The study did not subdivide the types of fluids used and did not restrict the timing of initial fluid resuscitation.

Participant Demographics

Adult patients with sepsis, average age around 64 years, with a mix of genders.

Statistical Information

P-Value

<0.001

Confidence Interval

not provided

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1097/MD.0000000000040733

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